SECTION 310:258-11-3. Floors, walls, and ceiling, characteristics

(a)   Materials for floor, wall, and ceiling surfaces under conditions of normal use shall be:

(1)   Smooth, durable, and easily cleanable for areas where unattended food establishment operations are conducted.

(2)   Light Reflectivity Value (LRV) of walls and ceiling surfaces shall be fifty percent (50%) r greater to aid in thorough cleaning of these areas.

(b)   Except for antislip floor coverings or applications that may be used for safety reasons, floors, floor coverings, walls, wall coverings, and ceilings shall be designed, constructed, and installed so they are smooth and easily cleanable.

(c)   Mats and duckboards used on the floor shall be designed to be removable and easily cleanable.

(d)   Floor and wall junctures shall be coved and closed to no larger than one (1) mm (one thirty-second 1/32 inch).

(e)   Studs, joists, and rafters may not be exposed.

(f)   Wall and ceiling covering materials shall be attached so that they are easily cleanable.

(g)   Concrete, porous blocks, or bricks used for indoor wall construction shall be finished and sealed to provide a smooth, nonabsorbent, easily cleanable surface.

(h)   Utility service lines and pipes may not be unnecessarily exposed.

(1)   Exposed utility service lines and pipes shall be installed so they do not obstruct or prevent cleaning of the floors, walls, or ceilings.

(2)   Exposed horizontal utility service lines and pipes may not be installed on the floor.

(i)   Attachments to walls and ceilings such as light fixtures, mechanical room ventilation system components, vent covers, wall mounted fans, decorative items, and other attachments shall be easily cleanable.

[Source: Added at 37 Ok Reg 1373, eff 9-11-20]